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Hair styling compositions containing a nonionic amphiphilic polymer in combination with styling polymers and emulsifying agentsRelated Patent Categories: Drug, Bio-affecting And Body Treating Compositions, Live Hair Or Scalp Treating Compositions (nontherapeutic), Polymer Containing (nonsurfactant, Natural Or Synthetic), Polyamine, Polyamide, Or Derivatives ThereofHair styling compositions containing a nonionic amphiphilic polymer in combination with styling polymers and emulsifying agents description/claimsThe Patent Description & Claims data below is from USPTO Patent Application 20070134191, Hair styling compositions containing a nonionic amphiphilic polymer in combination with styling polymers and emulsifying agents. Brief Patent Description - Full Patent Description - Patent Application Claims
BACKGROUND OF THE INVENTION [0001] The present invention generally relates to a composition and process for treating hair based on a hair styling composition that facilitates the shaping and reshaping of hair and provides various levels of hold to hair. [0002] The more common hair styling compositions on the cosmetic market for shaping and/or maintaining the hairstyle are spray compositions containing a solution, usually alcohol- or water-based, and one or more materials, generally polymer resins. One of the functions of polymer resins is to form links between the hairs, these materials also being called fixatives, in a mixture with various cosmetic adjuvants. This solution is generally packaged either in an appropriate aerosol container, which is pressurized with the aid of a propellant, or in a pump flask. [0003] Other known hair styling compositions include styling gels and mousses, which are generally applied to the wetted hair before brushing or setting it. In contrast to the conventional aerosol lacquers, these compositions have the disadvantage that they do not allow the hair to be fixed in a shape created before their application. In fact, these compositions are essentially aqueous and their application wets the hair and is therefore unable to maintain the initial shape of the hairstyle. In order to shape and fix the hairstyle, therefore, it is necessary to carry out subsequent brushing and/or drying. [0004] Such hair styling compositions all have the same disadvantage that they do not allow the hairstyle to be later modified to a desired shape, which is other than that formed initially, without starting the styling and fixing operations again. Moreover, under various kinds of stress, the hairstyle has a tendency to take on an undesirable permanent set, which cannot easily be modified. Also in the styling process, one desires hair conditioning benefits, such as ease of combing and soft hair feel appearance. [0005] Fixing the hairstyle is an important element in hair styling, and involves maintaining a shaping that has already been carried out, or simultaneously shaping and fixing the hair. Thus, hair styling compositions that facilitate the shaping and reshaping of hair are highly desirable. In addition, hair styling compositions that provide various levels of hold to hair present consumers with a range of hair styling products to choose from. [0006] In accordance with the invention, the term "hair styling composition" relates to any kind of hair composition that can be used to effect hair styling, for example, fixing compositions, setting compositions, permanent waving compositions, and hair treatment products. BRIEF SUMMARY OF THE INVENTION [0007] It has surprisingly been found that hair styling compositions having a unique texture may be formulated with the use of a certain type of nonionic amphiphilic polymer, in the absence of betaines. [0008] Thus, the present invention relates to a cosmetic composition for styling hair containing: [0009] at least one nonionic amphiphilic polymer having at least one fatty chain and at least one hydrophilic unit; [0010] at least one fixative polymer; [0011] at least one emulsifying agent; and [0012] a cosmetically acceptable medium. [0013] The present invention is also directed to a process for shaping and reshaping hair involving contacting the hair with the above-disclosed cosmetic composition. DETAILED DESCRIPTION OF THE INVENTION [0014] Other than in the operating examples, or where otherwise indicated, all numbers expressing quantities of ingredients and/or reaction conditions are to be understood as being modified in all instances by the term "about". [0015] The cosmetic compositions and methods of the present invention can comprise, consist of, or consist essentially of the essential elements and limitations of the invention described herein, as well as any additional or optional ingredients, components, or limitations described herein or otherwise useful in personal care compositions intended for topical application to the hair. [0016] According to one embodiment of the present invention, there is provided a cosmetic composition for styling a keratinous substrate such as hair. The cosmetic composition is based on a combination of at least one nonionic amphiphilic polymer having at least one fatty chain and at least one hydrophilic unit, at least one fixative polymer, at least one emulsifying agent, and a cosmetically acceptable medium. [0017] It has been surprisingly found that a hair styling composition having a unique texture and is capable of imparting numerous styling benefits when applied onto the hair, can be formulated in the absence of a betaine. [0018] Nonionic Amphiphilic Polymer [0019] The nonionic amphiphilic polymers having at least one fatty chain and at least one hydrophilic unit, which are used according to the invention, are preferably chosen from: [0020] (1) celluloses modified with groups containing at least one fatty chain such as, for example: [0021] hydroxyethyl celluloses modified with groups containing at least one fatty chain such as alkyl, arylalkyl or alkylaryl groups or mixtures thereof, and in which the alkyl groups are preferably C.sub.8-C.sub.22, such as the product Natrosol Plus Grade 330 CS(C.sub.16 alkyls) sold by the company Aqualon, or the product Bermocoll EHM 100 sold by the company Berol Nobel, those modified with polyalkylene glycol alkylphenyl ether groups, such as the product Amercell Polymer HM-1500 (polyethylene glycol (15) nonylphenyl ether) sold by the company Amerchol. Continue reading about Hair styling compositions containing a nonionic amphiphilic polymer in combination with styling polymers and emulsifying agents... Full patent description for Hair styling compositions containing a nonionic amphiphilic polymer in combination with styling polymers and emulsifying agents Brief Patent Description - Full Patent Description - Patent Application Claims Click on the above for other options relating to this Hair styling compositions containing a nonionic amphiphilic polymer in combination with styling polymers and emulsifying agents patent application. ###  How KEYWORD MONITOR works... a FREE service from FreshPatents1. Sign up (takes 30 seconds). 2. Fill in the keywords to be monitored. 3. Each week you receive an email with patent applications related to your keywords. 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